Power Factor Control in a Wind Energy Conversion System via Synchronous Generator Excitation
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Bibliographic record
Abstract
This paper proposes a novel control technique to improve the power factor over a wide range of wind speeds in a wind energy conversion system (WECS) using a current source inverter (CSI) and an electrically excited synchronous generator. The system consists of diode rectifier on the generator side, while a pulsewidth modulated CSI is on the grid side. In the proposed control scheme, the generator excitation is controlled with the wind speed to improve the grid power factor, while the control freedoms of the CSI are used to regulate the power output of the WECS to meet maximum power point tracking of wind energy. Theoretical analysis is conducted to investigate the feasibility and limits of this approach. The simulation model for the proposed WECS is developed, and the simulation results confirm the validity of the theoretical analysis. With the proposed power factor control scheme, improvements of grid-side power factor are achieved over a wider range of wind speeds.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it